Home / 72,251.40-108,377.26-38,987.14

Finding the Fourth Proportional to 72,251.40, 108,377.26 and 38,987.14

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Solution

The fourth proportional to 72,251.40, 108,377.26 and 38,987.14 is: 58,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,251.40 : 108,377.26 = 38,987.14 : x
  2. Step 2: Convert to fraction form
    72,251.40/108,377.26 = 38,987.14/x
  3. Step 3: Cross multiply
    72,251.40x = 108,377.26 × 38,987.14
  4. Step 4: Simplify right side
    72,251.40x = 4,225,319,408.44
  5. Step 5: Solve for x
    x = 4,225,319,408.44/72,251.40
  6. Step 6: Final answer
    x = 58,480.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.